Hermetic seal for bottles



Jan. 2, 1934. c QHTA 1,941,712

HERMETIC SEAL FOR BOTTLES Filed March 16 1932 M m'lg'lmmum Patented Jan. 2, 1934' mam-no SEAL ron names Ghisada Ohta, Kits-Kn, Osaka, Japan A Application March is, weasel-m No. 599,253,

The invention relates to improvements in closures of the double-closure type, so to speak, or closures having, in addition to the ordinary plug," such as, of cork, a secondary device for insuring a 5 complete seal of the mouths of bottles; and the object of this improvement is to provide a closure consisting broadly of a cap-shaped metal structure, having a cylindrically extended flangeto' attach securely to the neck'of the bottle. top of thecap-shaped metal .structure may be embossed and under certain circumstances formed with a circular opening in the centre, while the cylindrically. extended flange or more particularly cylindrical body, is provided with two linear projections or embossments, upperand lower, belting the cylindrical body in annu lar forms, and with a number of elliptical perforations arranged upright and at certain intervals between the horizontal annular embossments.

Closures of the double-closure type have been proposed as having a cork plug fitted with an encircling brim to rest, preferably with a washer of suitable material, on the top of the mouth of the bottle, while the body of the plug is placed in the neck of the bottle. To insure a double closure, the mouth of the'bottle wherein the body of the plug is fitted is crowned with a metal cap having an extended edge portion provided with'corrugations by means of which the metal'cap is to be secured to the mouth of the bottle.

With the closures of the double-closure type referred to,-the common drawback is the fact that the metal cap cannot be secured to the bottle-neck with satisfactory tightness. It appears that the defects are due, partly, to the fact that the thickness the brim referred to, as well as the height to which the body of the plug protrudes through thebrim, are indefinite, and, partly, to the fact that'the corrugated flange of the metal cap does not bend down deep into the encircling groove provided on the bottle-neck. As

a result, the closures cannot withstand the expanding'forces arising in bottled liquids of certain kinds and are from time to time removed spontaneously from the mouths of the bottles,

Further, stoppers embodying the described drawbacks are at all times subject to removal .fromincorrect motives, since they are capable of being detached from and .attached to the mouths of the bottles with ease and with simple tools.

According to the present invention, the cylindrical body or cylindrically extended flange of 'the cap-shaped metal structure extends, when applied to the mouth of the bottl e,.far beyond and in Japan March 23, 1931 or below the annular projection on the neck of thebottle and adheres closely to the surface of the bottle-neck, while its perforated zone is close- 'ly gathered and deeply set in the groove just belowermost portion or edge portion of the cylindrical body does not permit'of'the application of extractors, by reason of its tight attachment to The the bottle-neck, and therefore the invention procylindrical body, so that by pulling thelug the cap-shaped structure may be broken and stripped from the mouth of the bottle.

The present invention embraces, as a modifica== shaped structure has on, its inside a cork disc to mount the periphery of the mouth of the bottle and'thereby insure a perfect joint with the bottle not necessitate the use of the plugs.

The invention is further described with refer ence to the accompanying drawing, in which:

Fig. 1 is a perspective view of the closure with a part in section, the-top of the cap-shaped metal structure being shown as having an opening;

Fig. 2 is an elevational, partly sectional, view structure being shown capping a cork-plug fitted covering;

Fig. 3 is an elevational, partly sectional, view of another form of the closure, the cap-shaped metal structure being shown having no opening inserted in a bottle;

Fig. 4 is an elevational, partly sectional, View of the closure of Fig. 3, shownsecured in -position on the mouth of a bottle;

Fig. 5 is an elevational view of a modified form of the closure which has a cork disc on the inside of the top of the structure so as to capthe mouth of a bottledirect; and 1 Fig. 6 is an'elevatlonal, partly sectional, view tion on the mouth of a bottle.

Similar numerals denote similar parts throughout'the several views.

The closure consists broadly of a cap-shaped flange or cylindrical body 1. About the middle portion of the cylindrical body are formed two annular projections or embossments 2 and 3', horizontally encircling the cylindrical body and neaththe annular projection, aforesaid. The Q poses to provide alug on the edge portion of the i tion, a construction in which the top 'of the cap W mouth. Obviously this type of construction does 26 of the closure of Fig. 1, the cap-shaped metal inthe mouth 01 abottle and having a metal topin the top but embossed so as to cap the plug of the closure of Fig. 5, shown placed in posim0 metal structure having a cylindrically extended a 5 parallel to each other. Between these horizon- 11o tal annular embossments 2 and 3 are provided a number of elliptical perforations 4 arranged with their major axes upright and at certain intervals. Beneath the lower horizontal annular embossment 3 extendsthe lowermost or edge portion 1 of the cylindrical body, from which depends a lug 7. The top 6' of the cap-shaped metal structure is normally cutout so as to leave a round opening 6, as shown in Fig. 1, in order that the head of the plug c may protrude through the opening so that the marginal portion of the top 6' surrounding the opening can rest on a brim a fitted around the plug. Under certain circumstances, the top 6' of the cap-shaped metal structure is not cut out, but in turn should be properly embossed so as to surmount the head of the plug, (see Figs. 3 and 4). It is to be noted that the plug 0 is protected by a metal covering 1) which not only extends over the head of the plug but extends down to the lower edge of the brim a fitted around the plug, thereby securing the brim to the plug proper.

To attach the closure to the mouth of a bottle, it is necessary to place the upper horizontal annular embossment 2 of thecylindrical body into registry with the glass projection B around the mouth of the bottle. When pressed by a machine, such as is used in connection with crown corks, the annular embossment 2 is stretched out, causing the perforated zone A to fall into the groove D just beneath the glass projection B on the bottle-neck. The seating of the perforated zone A takes place by virtue of the novel arrangement of the horizontal embossments and perforations therebetween as described. Therefore, in spite of the pressure exerted on the upper horizontal embossment 2, the perforated zone A does not travel downwards along the surface of the bottle-neck, but falls into the groove D. The compression of the perforated zone causes the lowermost or edge portion of the cylindrical body to become attached securely to the neck of the bottle. The even and tight attachment of the edge portion of the cylindrical body to the surface of the bottle-neck prevents any tools of ordinary description from taking hold of the closure with a view to removing same from the bottle. To provide for the removal of the closure, the edge portion 1' of the cylindrical body is formed with a lug 7 so that by pulling the lug one can strip the stopper ofi the bottle.

Figs. 5 and 6 illustrate .a modified form of the closure, in which the top of the cap-shaped metal structure, which has no opening but is embossed, is lined with a disc of proper material, such as cork, and thereby adapted. to rest on the mouth of a bottle, thus afiording by itself a means of perfect closure. Obviously, in this form of the closure the plug 0 is dispensed with.

I claim:

, 1. A closure for bottles, having mouths with outwardly projecting lips, consisting of a capshaped metal structure adapted to rest on the mouth of a. bottle, and having a cylindrically'extended body, with two annular embossments horizontally encircling the middle portion of the cylindrical body,. one above the other, and with an intervening zone having a number of perforations located at intervals apart, whereby upon compression of the uppermost of said embossments, in applying said closure to a bottle, the perforated zone will be forced into the space below the lip of the bottle mouth, and thereby 1 5 tightly secure the closure to "the neck of the bottle. I

2. A closure for bottles as claimed in claim 1, wherein the perforations provided between the horizontal annular embossments are shaped in 110 the form of an ellipse, substantially as described.

- 3. A closure for bottles as claimed in claim 1, wherein the lowermost portion of the cylindrical body is provided with 9. lug extending from said portion, substantially as described.

cHisADA OHTA. 

